Lifetime/All-in service is tied to the device which is what the OP is asking about and if he can "move" that to another TiVo via hardware magic. (The answer is not with the Premiere). He's not asking about if that service provides repair/replacement for the hardware.This is one of the misunderstood issue with "lifetime" or "All-In". The Lifetime is not for hardware. It's for the service like the guide, software updates and the programming database. Not for hardware. There is a different "charge" when you pay monthly and some part fails. Then the charge is low for a repair/replacement.
The All-In Plan ($599.99 one-time fee, plus any applicable taxes) replaces Product Lifetime Service (PLS). The All-In Plan provides service for the life of the TiVo device for which it is purchased, and remains with the device in the event of an ownership transfer. The All-In Plan is available for TiVo BOLT Series Unified Entertainment Systems and Roamio Pro DVRs. Devices that already have PLS will continue to receive service for the life of the device.